EP0608392B1 - Margeur pour presses d'imprimerie - Google Patents

Margeur pour presses d'imprimerie Download PDF

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Publication number
EP0608392B1
EP0608392B1 EP93915751A EP93915751A EP0608392B1 EP 0608392 B1 EP0608392 B1 EP 0608392B1 EP 93915751 A EP93915751 A EP 93915751A EP 93915751 A EP93915751 A EP 93915751A EP 0608392 B1 EP0608392 B1 EP 0608392B1
Authority
EP
European Patent Office
Prior art keywords
sheet
side walls
pile
feeder
sheet feeder
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP93915751A
Other languages
German (de)
English (en)
Other versions
EP0608392A1 (fr
Inventor
Karl-Heinz Filsinger
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Heidelberger Druckmaschinen AG
Original Assignee
Heidelberger Druckmaschinen AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
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Application filed by Heidelberger Druckmaschinen AG filed Critical Heidelberger Druckmaschinen AG
Publication of EP0608392A1 publication Critical patent/EP0608392A1/fr
Application granted granted Critical
Publication of EP0608392B1 publication Critical patent/EP0608392B1/fr
Anticipated expiration legal-status Critical
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H1/00—Supports or magazines for piles from which articles are to be separated
    • B65H1/26—Supports or magazines for piles from which articles are to be separated with auxiliary supports to facilitate introduction or renewal of the pile

Definitions

  • the invention relates to a sheet feeder on printing machines, in particular offset printing machines, with a stacking table located between feeder side elements and vertically displaceable by means of a main stacking lifting device for receiving a stack of sheets and with an auxiliary stacking lifting device for uninterrupted sheet feeding when introducing a new sheet stack, the auxiliary stacking lifting device being used for non-stop rails Assignment of non-stop bars or the like carrying a remaining sheet stack.
  • Sheet feeders on printing presses are used to separate sheets from a stack of sheets and to feed them to the printing unit of the printing press. Since the height of the sheet stack decreases with continuous sheet removal, it is located on a vertically movable stacking table, so that the stacking table can be moved upwards as the stack height decreases, so that the sheets lying on top remain in the working area of a suction head arrangement which takes the sheets from the sheet stack and the sheet transport path of the printing machine.
  • a so-called auxiliary stack lifting device is provided, which picks up the remaining sheet stack remaining from a sheet stack during the feeding of a new sheet stack. The new sheet stack is introduced below the remaining sheet stack and then the remaining sheet stack and the new sheet stack are brought together.
  • Sheet feeders on printing machines are known in which the stacking table receiving the main stack hangs on support chains which are driven by chain wheels.
  • the suspension chains are suspended via deflection sprockets, which are attached to one arranged above the stack of sheets traverse. This traverse leads to a very high design and limits the view of the paper flow.
  • US 4,052,051 shows a sheet feeder for a printing press, with a vertically movable main stack lifting device and an auxiliary stack lifting device which can be moved vertically separately for uninterrupted sheet transport.
  • the invention is therefore based on the object of providing a sheet feeder in a compact design which has relatively small height dimensions, has a simple construction and in particular provides free access and viewing possibilities for an operator.
  • This low overall height of the sheet feeder also leads to a consistent machine design, that is to say that feeders and printing units can be matched to the corresponding overall heights of the printing press without the feeder interfering with the machine design due to its construction-related large overall height which is present in the prior art.
  • a vertically movable lifting element of the auxiliary stack lifting device separate from the main stack lifting device is arranged on the outer sides of the two feeder side elements and that the non-stop rails - optionally together with the lifting elements - form a frame which the feeder side elements - or at least includes portions of them outside.
  • the components of the auxiliary stack lifting device are thus arranged on the outer sides of the feeder side elements, as a result of which there is complete decoupling from the main stack lifting device.
  • the feeder side elements are preferably designed as feeder side walls.
  • the main stack lifting device can, for example, have vertical guides which are arranged on the inner sides of the two feeder side walls.
  • guide elements of the vertically movable lifting elements of the auxiliary stack lifting device are provided on the outer sides of the two feeder side walls, so that no mutual hindrance of the main stack lifting device and auxiliary stack lifting device can occur and overlaps of components of the main stack lifting device with components of the auxiliary stack lifting device are possible, as a result of which only a very small overall height of the sheet feeder is possible is feasible.
  • the lifting elements carry a frame or form parts of this frame which surrounds the feed side walls — or at least sections of them — on the outside.
  • the front and back of this frame represent the non-stop rails that support the non-stop bars. If the frame does not encompass the entire feeder side walls, but rather passes through corresponding slots in the feeder side walls, only sections of the feeder side walls are accommodated in the frame.
  • the invention also enables a common machine design, in particular the realization of a feeder shape, which is as contoured and smooth as that of the printing units.
  • the lifting elements can be mounted in guides which are fastened to the outer sides of the feeder side elements. These are preferably roller guides, the rollers being supported on the lifting elements and running in guide rails fastened to the outer sides of the feeder side elements.
  • the lifting elements are fastened to support chains which are driven by chain wheels arranged on the outer sides of the feeder side elements.
  • At least one of the sprockets of each feeder side element forms a drive sprocket and the other sprockets are designed as deflection sprockets for the associated support chain.
  • the two drive sprockets of the two feeder side elements are preferably arranged in a rotationally fixed manner on a common drive shaft. This is in drive connection with a drive, in particular an electric motor.
  • the assigned section (rear non-stop rail) of the frame is designed to be removable. This gives unrestricted access when the rear non-stop rail is removed.
  • the rear non-stop rail is preferably U-shaped, with its two legs running approximately parallel to the outer sides of the feeder side walls.
  • the web located between the two legs of the U-shaped rear non-stop rail overlaps the end faces of the feeder side walls. Therefore, no breakthroughs are required in the feeder side walls.
  • the outer sides of the feeder side walls are covered by covers which have front slots for the exit of the legs of the rear non-stop rail.
  • These covers are required for accident prevention reasons; they cover the chain drives of the auxiliary stack lifting device.
  • the slots in the covers, which are penetrated by the legs of the rear non-stop rail, are very narrow and narrowly tolerated, so that there is no risk of injury to an operator.
  • connection point of the removable rear non-stop rail to the remaining part of the frame is preferably located below or essentially below each cover. As a result, no components protrude from the covers when the rear non-stop rail is removed.
  • the guides of the lifting elements run up to the upper edge of the feeder side walls. They preferably even end in front of the upper edge, so that the feed side walls close off the sheet feeder without protruding parts or the like.
  • the front non-stop rail is attached to the remaining part of the frame in a floating manner for reasons of a favorable force distribution and to counteract the risk of jamming in the case of a slightly inclined frame.
  • the removable rear non-stop rail also allows a certain inclination.
  • the connection point to the side frame elements allows the necessary movement.
  • the legs of the rear non-stop rail are preferably designed as hollow profiles that can be plugged onto the mandrels of the lifting elements. This makes it easy to remove and attach the rear non-stop rail.
  • FIG. 1 shows a schematic representation of a sheet feeder 1 of a printing machine (not shown).
  • the sheet feeder 1 has two feed side walls 2 and 3, which are spaced apart and parallel to one another, between which a vertically movable stacking table 4 of a main stacking lifting device 5 is arranged.
  • Components of an auxiliary stack lifting device 8, which has a frame 9, are arranged on the outer sides 6 and 7 of the feeder side walls 2 and 3.
  • the frame 9 has a rear non-stop rail 10 which is U-shaped, with its two legs 11 and 12 spaced approximately parallel to the outer sides 6 and 7 of the feeder side walls 2 and 3.
  • the web 13 of the rear non-stop rail 10 located between the two legs 11 and 12 engages over the end faces 14 and 15 of the feed side walls 2 and 3.
  • the frame 9 has a front non-stop on the side of the sheet feeder 1 facing the printing press -Bar 16 on, the openings 17 and 18 of the feeder side walls 2 and 3 passes through.
  • a sheet stack 19 can be arranged on the stacking table 4 between the feeder side walls 2 and 3.
  • the support surface 20 of the stacking table 4 has longitudinal depressions 21 which run in the direction of the feed side walls 2 and 3 and which serve to accommodate non-stop rods 22 in auxiliary stack operation. The function is discussed in more detail below.
  • FIG. 2 shows a side view of the feed side wall 2 and the components of the auxiliary stack lifting device 8 assigned to this feed side wall 2.
  • the following description applies correspondingly to the design of the feed side wall 3 and the parts of the auxiliary stack lifting device 8 present there, so that it is sufficient only to explain the feeder side wall 2 of FIG. 2.
  • roller guide 23 On the outside 6 of the feeder side wall 2 there is a roller guide 23 which has a U-shaped guide rail 24 in which rollers 25 of a lifting element 26 of the auxiliary stack lifting device 8 are mounted.
  • the U-shaped guide rail 24 is screwed with its back web onto the outside 6 of the feed side wall 2.
  • the rollers 25 are rotatably supported on the lifting element 26, so that the latter can be mounted vertically up and down on the outside 6 of the feed side wall 2.
  • the lifting element 26 is overlaid along the roller guide 23 by a securing web 27, which is held on the outside 6 of the feeder side wall 2 by means of spacer bolts 28.
  • One of the chain wheels 30 is located at the upper end laterally next to the guide rail 24. It forms a deflection sprocket 31.
  • Another of the sprockets 30, which is designed as a deflection sprocket 33, is located closely spaced from it.
  • the sprocket 30, which forms a drive sprocket 34, is offset laterally in the direction of the printing press toward the deflection sprocket 32. All sprockets 30 are located on the outside 6 of the feeder side wall 2, wherein they are arranged such that the loop of the support chain 29 forms a "double" L-shape.
  • the deflection sprocket 32 is fastened on a slide 35 which can be displaced parallel to the roller guide 23 and can be fixed by means of a screw 36.
  • Figure 3 shows that the two drive sprockets 34 of the two feed side walls 2 and 3 rotatably on one common drive shaft 37 are arranged, which lies between the sheet stack 19 and the printing unit, not shown, of the printing press.
  • a servomotor 38 has a sprocket 40 which is connected via an adjustment chain 41 to a sprocket 42 which is arranged on the drive shaft 37 in a rotationally fixed manner. Both the servomotor 38 and the sprockets 40 and 42 as well as the adjustment chain 41 are arranged between the two feeder side walls 2 and 3.
  • lifting carriages 45 and 46 are vertically displaceably mounted, which are connected to the stacking table 4 (not shown in FIG. 3).
  • the lifting carriages 45 and 46 can be shifted according to the desired position of the stacking table 4 by means of lifting chains 47 and 48 and further drive and deflection elements, not shown.
  • the lifting element 26 has an arm 49 and a holding mandrel 50, the arm 49 extending up to a slot-shaped opening 17 in the feed side wall and the holding mandrel 45 up to the level of the end face 14 of the feed side wall 2.
  • the front non-stop rail 16 is attached in a floating manner.
  • a washer 54 and a sleeve 55 are fastened to the end face 52 by means of a screw 53, the front non-stop rail 16 receiving the sleeve 55 in a bore 56, the diameter of which is larger than the diameter of the sleeve 55.
  • the thickness of the front non-stop rail 16 is smaller than the length of the sleeve 55, so that there is an overall floating connection between the arm 49 and the non-stop rail 16.
  • Limit switches 57 are arranged in the upper and in the lower region of the slot-shaped opening 51, which are connected to an actuating plate 58 of the front non-stop rail 16 work together.
  • the limit switches 57 switch off the servomotor 38 when the first or the lowest position of the lifting element 26 and thus of the frame 9 is reached.
  • the rear non-stop rail 10 is designed as a hollow profile 59 which can be pushed onto the arbor 50 of the lifting element 26.
  • the mandrel 50 has a wedge-shaped shape, so that a tilting movement of the hollow profile 59 is possible such that a pin 60 protruding on the mandrel 50 can enter a receiving bore 61 of the hollow profile 59 for securing against being pulled off.
  • the pin 60 emerges from the receiving bore 61 and the hollow profile 59, that is to say the rear non-stop rail 10, can be removed.
  • the two outer sides 6 and 7 of the feeder side walls 2 and 3 are overlapped by covers 62 and 63, which cover the drive elements etc. of the auxiliary stack lifting device 8 and have slots 64 on the end side from which the rear non-stop rail 10 protrudes.
  • the connection point 65 between the rear non-stop rail 10 and the respective lifting element 26 is located under the respective cover 62 or 63.
  • the sheet feeder according to the invention works as follows:
  • the starting point is a sheet stack 19 (FIG. 1) inserted between the feeder side walls 2 and 3.
  • the non-stop rods 22 shown there and also the rear non-stop rail 10 are removed.
  • a suction head device not shown, takes the sheet of sheet stack 19 located at the top and, in the direction of arrow 66 (FIG. 1), feeds it to the printing press. This reduces the stack height, which is detected by a sensor that the Main stack lifting device actuated, whereby the stacking table 4 and thus the sheet stack 19 moves upwards step by step.
  • This new sheet stack 19 is then raised so that it comes to lie with its top just below the non-stop rods 22.
  • the non-stop rods 22 can then be pulled out by the operator, so that a new overall stack is formed.
  • the above explanation shows that this enables uninterrupted sheet feeding.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Sheets, Magazines, And Separation Thereof (AREA)
  • Brushes (AREA)
  • Auxiliary Devices For And Details Of Packaging Control (AREA)
  • Apparatuses And Processes For Manufacturing Resistors (AREA)
  • Handling Of Continuous Sheets Of Paper (AREA)
  • Electronic Switches (AREA)
  • Labeling Devices (AREA)

Claims (14)

  1. Margeur pour machines à imprimer, notamment pour machines à imprimer offset, comprenant une table porte-pile (4) située entre des parois latérales (2, 3) du margeur, mobile dans la direction verticale au moyen d'un dispositif élévateur de pile principale (5), et destinée à recevoir une pile de feuilles (19), et un dispositif élévateur de pile auxiliaire (8) servant à assurer l'alimentation ininterrompue des feuilles au moment de la mise en place d'une nouvelle pile de feuilles, le dispositif élévateur de pile auxiliaire présentant des rails d'alimentation ininterrompue (10, 16) servant à adjoindre des barres d'alimentation ininterrompue (22) qui portent une pile de feuilles résiduelle ou équivalent et le dispositif élévateur de pile auxiliaire présentant un élément élévateur (26) agencé et mobile dans la direction verticale séparément du dispositif élévateur de pile principale,
    caractérisé
    en ce que chaque élément élévateur (26) est agencé contre la face extérieure correspondante (6, 7) de l'un des deux côtés du margeur et en ce que les rails d'alimentation ininterrompue (10, 16) - éventuellement en combinaison avec les éléments élévateurs (26) - forment un cadre (9) qui encadre les deux parois latérales (2, 3) du margeur - ou au moins des segments de celles-ci.
  2. Margeur selon la revendication 1,
    caractérisé
    en ce que des rails de guidage (24) sont fixés aux faces extérieures (6, 7) de parois latérales (2, 3) du margeur.
  3. Margeur selon une des revendications précédentes,
    caractérisé
    en ce que les éléments élévateurs (26) sont fixés à des chaînes porteuses (29) agencées qui sont entraînées au moyen de roues à chaîne (30) contre les faces extérieures (6, 7) des parois latérales (2, 3) du margeur.
  4. Margeur selon une des revendications précédentes,
    caractérisé
    en ce qu'au moins une des roues à chaîne (30) de chaque paroi latérale (2, 3) du margeur est une roue à chaîne d'entraînement (34), et en ce que les autres roues à chaîne (30) sont des roues à chaîne de renvoi (31, 32, 33).
  5. Margeur selon une des revendications précédentes,
    caractérisé
    en ce que les deux roues à chaîne d'entraînement (34) des deux parois latérales (2, 3) du margeur sont montées solidairement en rotation sur un arbre d'entraînement commun (37).
  6. Margeur selon une des revendications précédentes,
    caractérisé
    en ce que, sur la face du margeur (1) qui est dirigée vers la presse à imprimer, le segment correspondant (16) du cadre (9) traverse des ajours (17, 18) ménagés dans les parois latérales (2, 3) du margeur.
  7. Margeur selon une des revendications précédentes,
    caractérisé
    en ce que, sur la face du margeur (1) qui est à l'opposé de la machine à imprimer, le segment correspondant (10) du cadre (9) est réalisé sous une forme amovible.
  8. Margeur selon une des revendications précédentes,
    caractérisé
    en ce que le rail d'alimentation ininterrompue arrière (10) est en forme de U, ses deux branches (11, 12) s'étendant à peu près parallèlement aux faces extérieures (6, 7) des parois latérales (2, 3) du margeur et à un certain écartement de ces faces.
  9. Margeur selon une des revendications précédentes,
    caractérisé
    en ce que la traverse (13) située entre les deux branches (11, 12) du rail d'alimentation ininterrompue arrière (10) en forme de U recouvre les faces latérales (14, 15) des parois frontales (2, 3) du margeur.
  10. Margeur selon une des revendications précédentes,
    caractérisé
    en ce que les faces extérieures (6, 7) des parois latérales (2, 3) du margeur sont recouvertes par des carters (62, 63) qui présentent, en position frontale, des fentes (64) permettant aux branches (11, 12) du rail d'alimentation ininterrompue arrière (10) d'émerger.
  11. Margeur selon une des revendications précédentes,
    caractérisé
    en ce que chaque zone de jonction (65) du rail d'alimentation ininterrompue arrière amovible (10) sur la partie restante du cadre (9) se trouve au-dessous ou sensiblement au-dessous du carter (62, 63).
  12. Margeur selon une des revendications précédentes,
    caractérisé
    en ce que les guidages (24) des éléments élévateurs (26) se prolongent au maximum jusqu'au bord supérieur (67) des parois latérales (2, 3) du margeur.
  13. Margeur selon une des revendications précédentes,
    caractérisé
    en ce que le rail d'alimentation ininterrompue avant ou arrière (16) est fixé de façon flottante à la partie restante du cadre (9).
  14. Margeur selon une des revendications précédentes,
    caractérisé
    en ce que les branches (11, 12) du rail d'alimentation ininterrompue arrière (10) sont constituées par des profilés creux (59) qui peuvent être emboîtés sur des tenons récepteurs (50) des éléments élévateurs (26).
EP93915751A 1992-08-28 1993-06-30 Margeur pour presses d'imprimerie Expired - Lifetime EP0608392B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE4228616A DE4228616C2 (de) 1992-08-28 1992-08-28 Bogenanleger an Druckmaschinen
DE4228616 1992-08-28
PCT/EP1993/001684 WO1994005575A1 (fr) 1992-08-28 1993-06-30 Margeur pour presses d'imprimerie

Publications (2)

Publication Number Publication Date
EP0608392A1 EP0608392A1 (fr) 1994-08-03
EP0608392B1 true EP0608392B1 (fr) 1996-10-09

Family

ID=6466630

Family Applications (1)

Application Number Title Priority Date Filing Date
EP93915751A Expired - Lifetime EP0608392B1 (fr) 1992-08-28 1993-06-30 Margeur pour presses d'imprimerie

Country Status (7)

Country Link
US (1) US5538238A (fr)
EP (1) EP0608392B1 (fr)
JP (1) JP2996728B2 (fr)
AT (1) ATE143906T1 (fr)
AU (1) AU4562193A (fr)
DE (2) DE4228616C2 (fr)
WO (1) WO1994005575A1 (fr)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19516039C2 (de) * 1995-05-04 1997-09-18 Roland Man Druckmasch Palette für die automatisierte Stapelverarbeitung
DE19636179C2 (de) * 1996-09-06 1999-04-01 Roland Man Druckmasch Bogenanleger an Druckmaschinen
DE19642479A1 (de) * 1996-10-15 1998-04-16 Heidelberger Druckmasch Ag Einrichtung zur Führung vertikal verfahrbarer Bogenstapelträger
EP0958220B1 (fr) * 1997-02-05 2001-11-21 MAN Roland Druckmaschinen AG Dispositif changeur de piles
CZ284297B6 (cs) * 1997-05-19 1998-10-14 Dobrušské Strojírny, A.S. Zařízení pro zvedání stohu archů papíru k nakládací hlavě tiskařského stroje
DE10330107A1 (de) * 2003-07-03 2005-04-28 Giesecke & Devrient Gmbh Kontinuierliches Vereinzeln von losem Blattgut
DE102007043130A1 (de) * 2007-09-11 2009-03-12 Giesecke & Devrient Gmbh Vorrichtung für die Vereinzelung von Blattgut
DE102015216829B4 (de) * 2014-09-17 2022-11-24 Heidelberger Druckmaschinen Ag Vorrichtung zur Vereinigung eines Hilfsstapels mit einem Hauptstapel
CN104773538B (zh) * 2015-03-10 2017-03-15 浙江聚成机械科技有限公司 一种全自动输纸机及控制方法
CN105502033B (zh) * 2015-12-18 2017-08-25 天津长荣印刷设备股份有限公司 一种多用途上吸风送纸装置及其工作方法
CN109941791A (zh) * 2019-03-18 2019-06-28 武威福民汇科技开发有限公司 一种用于印刷机的快速输纸机构

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DE1099556B (de) * 1958-04-25 1961-02-16 Mabeg Maschb G M B H Nachf Hen Stapelwechselvorrichtung an Bogenanleger
US3137498A (en) * 1962-05-09 1964-06-16 Miller Printing Machinery Co Sheet feeder
DE1183103B (de) * 1963-07-20 1964-12-10 Mabeg Maschb Ges Mit Beschraen Bogenanleger mit kontinuierlicher Stapelzufuehrung mit mehreren Stapelhubvorrichtungen
US3288463A (en) * 1964-01-29 1966-11-29 Nat Can Corp Auxiliary stack holder
US4052051A (en) * 1975-07-10 1977-10-04 Pitney-Bowes, Inc. Sheet feeder
DE2637086C2 (de) * 1976-08-18 1979-08-23 Georg Spiess Gmbh, 8906 Gersthofen Bogenanleger
DE2922735C2 (de) * 1979-06-05 1987-02-05 Maintal-Klima-Service GmbH, 6457 Maintal Verfahren und Anordnung zur Regelung des Wasserhaushalts in Wechselwirkungsanlagen für Gase und Wasser

Also Published As

Publication number Publication date
JPH07500803A (ja) 1995-01-26
ATE143906T1 (de) 1996-10-15
AU4562193A (en) 1994-03-29
WO1994005575A1 (fr) 1994-03-17
DE4228616C1 (de) 1994-02-10
DE4228616C2 (de) 1996-10-17
JP2996728B2 (ja) 2000-01-11
EP0608392A1 (fr) 1994-08-03
DE59304124D1 (de) 1996-11-14
US5538238A (en) 1996-07-23

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